2025
Highly stable planar asymmetric suspended membranes for investigating protein dynamics and membrane fusion
Bera M, Kalyana Sundaram R, Coleman J, Chatterjee A, Thoduvayil S, Pincet F, Ramakrishnan S. Highly stable planar asymmetric suspended membranes for investigating protein dynamics and membrane fusion. Nature Protocols 2025, 1-25. PMID: 40461798, DOI: 10.1038/s41596-025-01192-2.Peer-Reviewed Original ResearchMembrane fusionSingle-vesicle fusion assayMembrane fusion eventsProtein dynamics analysisMembrane fusion mechanismFluorescently labeled proteinsProtein-lipid interactionsSNARE proteinsTotal internal reflection fluorescenceFusion eventsMolecular chaperonesInvestigate protein dynamicsTime-lapse imagingCellular signalingLipid asymmetryFusion assayBiological processesLipid membranesProtein dynamicsMembrane model systemsLiving cellsMembrane environmentNear-native environmentMolecular componentsReflection fluorescence
2024
Machine learning in time-lapse imaging to differentiate embryos from young vs old mice†
Yang L, Leynes C, Pawelka A, Lorenzo I, Chou A, Lee B, Heaney J. Machine learning in time-lapse imaging to differentiate embryos from young vs old mice†. Biology Of Reproduction 2024, 110: 1115-1124. PMID: 38685607, PMCID: PMC11180621, DOI: 10.1093/biolre/ioae056.Peer-Reviewed Original ResearchMaternal agePreimplantation genetic testingMorphokinetic parameters of embryosEarly embryo developmentMaternal miceNo significant differenceEmbryo transferTime-lapse microscopyGenetic testingAge-related phenotypesHuman embryosYoung donorsSignificant differenceNon-invasive approachEmbryo developmentCleavage stagesYounger counterpartsMiceNon-invasive technologyEmbryosAged embryosPhenotypeAgeTime-lapse imagingMorphokineticsTemporal coordination of the transcription factor response to H2O2 stress
Jose E, March-Steinman W, Wilson B, Shanks L, Parkinson C, Alvarado-Cruz I, Sweasy J, Paek A. Temporal coordination of the transcription factor response to H2O2 stress. Nature Communications 2024, 15: 3440. PMID: 38653977, PMCID: PMC11039679, DOI: 10.1038/s41467-024-47837-w.Peer-Reviewed Original ResearchConceptsGroup of transcription factorsTranscription factorsResponse to H2O2 stressTranscription factor activityCell cycle arrestDose-dependent outcomeRepair oxidative damageOxidative stressDose-dependent activationTime-lapse imagingH2O2 stressCell deathRestoring redox balanceDose-dependentlyTranscriptionRedox balanceGlucose oxidase enzymeNF-kBFactor activity
2023
Evolutionarily conserved midbody remodeling precedes ring canal formation during gametogenesis
Price K, Tharakan D, Cooley L. Evolutionarily conserved midbody remodeling precedes ring canal formation during gametogenesis. Developmental Cell 2023, 58: 474-488.e5. PMID: 36898376, PMCID: PMC10059090, DOI: 10.1016/j.devcel.2023.02.008.Peer-Reviewed Original ResearchConceptsCanal formationStable intercellular bridgesGerm cell divisionMidbody ringTime-lapse imagingFemale germlineCell cytokinesisDrosophila malesRing canalsComplete cytokinesisKinase functionCell divisionCytokinesis eventsBroad functionsCytokinesisIntercellular bridgesExtensive remodelingMidbodyDrosophilaBiological systemsDisease statesImportant insightsGametogenesisGermlineProtein
2022
An essential periplasmic protein coordinates lipid trafficking and is required for asymmetric polar growth in mycobacteria
Gupta K, Gwin C, Rahlwes K, Biegas K, Wang C, Park J, Liu J, Swarts B, Morita Y, Rego E. An essential periplasmic protein coordinates lipid trafficking and is required for asymmetric polar growth in mycobacteria. ELife 2022, 11: e80395. PMID: 36346214, PMCID: PMC9678360, DOI: 10.7554/elife.80395.Peer-Reviewed Original ResearchConceptsPeriplasmic proteinsPolar growthNew cell wall materialOld poleQuantitative time-lapse imagingAsymmetric polar growthCell wall synthesisCell envelope compositionCell wall materialTime-lapse imagingCellular asymmetryEssential proteinsBacterial geneticsEssential transporterSingle geneWall synthesisLipid traffickingPopulation of cellsPlasma membraneTMM transportUnknown functionBroad functionsMycolic acidsTrehalose monomycolateEnvelope composition
2021
Single-Cell Tracking By Time Lapse Imaging Confirms Thrombopoietin Promotes Megakaryocytic-Erythroid Progenitor Self Renewal, but Does Not Instruct Lineage Commitment
Scanlon V, Kochugaeva M, Lawton B, Xavier-Ferrucio J, Kang E, Eskow N, Lu Y, Kwon N, Laumas A, Cenci M, Lawrence K, Barden K, Larsuel S, Reed F, Pena-Carmona G, Ubbelohde A, Lee J, Boobalan S, Oppong Y, Anderson R, Maynard C, Sahirul K, Lajeune C, Ivathraya V, Addy T, Sanchez P, Holbrook C, Van Ho A, Blau H, Levchenko A, Krause D. Single-Cell Tracking By Time Lapse Imaging Confirms Thrombopoietin Promotes Megakaryocytic-Erythroid Progenitor Self Renewal, but Does Not Instruct Lineage Commitment. Blood 2021, 138: 3270. DOI: 10.1182/blood-2021-154360.Peer-Reviewed Original ResearchAbsence of thrombopoietinTime-lapse imagingLineage commitmentSelf-renewal divisionsCell typesMK lineageSelf-RenewalLineage-restricted progenitor cellsSpecific progenitor populationsProgenitor self-renewalProgenitor cellsSingle-cell trackingSpecific cell typesColony typesE lineageLineage choiceProgenitor commitmentCellular processesDaughter cellsLineage potentialCultured megakaryocytesProgenitor populationsCell statesDivision rateMegakaryocytic maturation
2019
Regulation of the apical extension morphogenesis tunes the mechanosensory response of microvilliated neurons
Desban L, Prendergast A, Roussel J, Rosello M, Geny D, Wyart C, Bardet PL. Regulation of the apical extension morphogenesis tunes the mechanosensory response of microvilliated neurons. PLOS Biology 2019, 17: e3000235. PMID: 31002663, PMCID: PMC6493769, DOI: 10.1371/journal.pbio.3000235.Peer-Reviewed Original ResearchConceptsRing of actinApical junctional complexApical extensionSensory cellsApical actin ringSensory cell typesInner ear sensory cellsTime-lapse imagingVivo time-lapse imagingZebrafish embryosMorphogenesisActin ringsCell typesHair bundlesMechanosensory responsesProtrusion elongationJunctional complexesActinTail bendingMolecular factorsCerebrospinal fluid-contacting neuronsApical attachmentCritical roleOsmolarity changesApical processes
2013
Dynamic Migration and Cell‐Cell Interactions of Early Reprogramming Revealed by High‐Resolution Time‐Lapse Imaging
Megyola CM, Gao Y, Teixeira AM, Cheng J, Heydari K, Cheng E, Nottoli T, Krause DS, Lu J, Guo S. Dynamic Migration and Cell‐Cell Interactions of Early Reprogramming Revealed by High‐Resolution Time‐Lapse Imaging. Stem Cells 2013, 31: 895-905. PMID: 23335078, PMCID: PMC4309553, DOI: 10.1002/stem.1323.Peer-Reviewed Original ResearchConceptsCell-cell interactionsEarly reprogrammingDynamic cell-cell interactionsSingle-cell resolutionTime-lapse microscopyE-cadherin inhibitionTime-lapse imagingPluripotency inductionInduced pluripotencyGranulocyte-monocyte progenitorsPluripotent cellsReprogrammingMolecular mechanismsCell resolutionCell migrationCellular interactionsGenetic makeupE-cadherinSatellite coloniesExperimental systemHematopoietic stateSource cellsRare cellsColoniesComplex mechanisms
2008
Both daughter cells traffic and exocytose membrane at the cleavage furrow during mammalian cytokinesis
Goss JW, Toomre DK. Both daughter cells traffic and exocytose membrane at the cleavage furrow during mammalian cytokinesis. Journal Of Cell Biology 2008, 181: 1047-1054. PMID: 18573914, PMCID: PMC2442215, DOI: 10.1083/jcb.200712137.Peer-Reviewed Original ResearchConceptsDaughter cellsTotal internal reflection fluorescence microscopy imagingCleavage furrowAdvanced live-cell imaging techniquesConfocal time-lapse imagingLive-cell imaging techniquesCell imaging techniquesReserve vesicle poolTime-lapse imagingMidbody abscissionMammalian cytokinesisFluorescence microscopy imagingFluorescent proteinPhotobleaching experimentsCytokinesisVesicle poolLysosomal compartmentIndividual vesiclesSingle vesiclesVesiclesGolgiFurrow regionMidbodyMembraneFurrow
2007
Succinate is a paracrine signal for liver damage
Correa PR, Kruglov EA, Thompson M, Leite MF, Dranoff JA, Nathanson MH. Succinate is a paracrine signal for liver damage. Journal Of Hepatology 2007, 47: 262-269. PMID: 17451837, PMCID: PMC1986575, DOI: 10.1016/j.jhep.2007.03.016.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsFluorescent Antibody TechniqueIn Vitro TechniquesInfusions, IntravenousIschemiaLiverLiver DiseasesMaleParacrine CommunicationPerfusionPortal VeinPressureRatsRats, Sprague-DawleyReceptors, G-Protein-CoupledReverse Transcriptase Polymerase Chain ReactionSignal TransductionSuccinic AcidTissue DistributionConceptsHepatic stellate cellsSuccinate receptorParacrine signalsStellate cell activationStellate cellsCell expression systemTime-lapse imagingRelease of succinateCell activationCytosolic Ca2Effect of succinatePrimary hepatic stellate cellsHepatic cell typesExpression systemQuiescent hepatic stellate cellsConfocal immunofluorescencePhysiological roleIschemic hepatocytesCell typesBiochemical assaysSingle cellsLiver damageBACKGROUND/Western blotCAMP production
2005
Integrin-dependent actomyosin contraction regulates epithelial cell scattering
de Rooij J, Kerstens A, Danuser G, Schwartz MA, Waterman-Storer CM. Integrin-dependent actomyosin contraction regulates epithelial cell scattering. Journal Of Cell Biology 2005, 171: 153-164. PMID: 16216928, PMCID: PMC2171213, DOI: 10.1083/jcb.200506152.Peer-Reviewed Original ResearchConceptsCell-cell junctionsEpithelial cell scatteringCell-cell adhesionCell scatteringHepatocyte growth factorE-cadherin functionMadin-Darby canine kidneyMyosin regulatory light chainExtracellular matrix proteinsTime-lapse imagingPossible cross talkCarcinoma cell invasionTraction forceRegulatory light chainIntegrin adhesionEpithelial-mesenchymal transitionActomyosin contractionMatrix proteinsCell invasionHigh traction forceMimic key aspectsCross talkSubstrate complianceGrowth factorCanine kidney
2001
Two modes of radial migration in early development of the cerebral cortex
Nadarajah B, Brunstrom J, Grutzendler J, Wong R, Pearlman A. Two modes of radial migration in early development of the cerebral cortex. Nature Neuroscience 2001, 4: 143-150. PMID: 11175874, DOI: 10.1038/83967.Peer-Reviewed Original ResearchConceptsCerebral cortexAcute cortical slicesCertain genetic mutationsFinal laminar positionSite of originMovement of neuronsCortical slicesCortical neuronsRadial migrationCortical developmentLaminar positionSomal translocationGenetic mutationsCell-type specificDifferential effectsEarly ageCortexNeuronsMarginal zoneLeading processCellsTranslocationEarly developmentTime-lapse imaging
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